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sodium metasilicate

noun sodium meta·sil·i·cate \ -ˌme-tə-ˈsi-lə-ˌkāt , -ˈsi-li-kət \

Definition of sodium metasilicate

: a toxic corrosive crystalline salt Na₂SiO₃ used especially as a detergent or as a substitute for phosphates in detergent formulations

First Known Use of sodium metasilicate

circa 1926

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